CVE-2026-45855

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.9% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-25.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-05-27 12:15Z3 MO AGO

Last updated

2026-05-27 12:15Z3 MO AGO

Reserved

2026-05-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-821Incorrect SynchronizationBase

Data version

5.2

Document digest

120c397c72567af5b241e80fd87240d7535660c47810d6b4d614c723b23c7827

• git.kernel.orghttps://git.kernel.org/stable/c/ce22aaed011206fed9cbd8c9c2d44718607f31ee
• git.kernel.orghttps://git.kernel.org/stable/c/888cd7e40adb2ef4af1b4d3b6e2e83ad409ae8c2
• git.kernel.orghttps://git.kernel.org/stable/c/5d61a38a60e62750526d94663b69b7ac5c7f07a5
• git.kernel.orghttps://git.kernel.org/stable/c/0ea84089dbf62a92dc7889c79e6b18fc89260808